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- UNITED STATES PATENT Er ICE.

PETER KELLER, OF NEW YORK, N. Y.

GAS-BURNER.

SPECIFICATION forming part of Letters Patent No. 280,482, dated July 3,1883.

(No model.)

To all whom it may concern.-

Be it known that 1, PETER KELLER, a cit-i zen of the United States,residing at New York, in the county and State of New York, have inventednew and useful Improvements in Gas- Burners, of which the following is aspecification.

This invention relates to that class of burners in which a gravitatingvalveis used for regulating the pressure of the gas; and it consists inthe construction of the valve, together with its seat, of sheet metal,and in the arrangement of such parts, as hereinafter described, wherebythe labor involved in the manufacture of the burners is reduced to aminimum.

The invention is illustrated in the accompanying drawings, in whichFigure 1 represents avertical central section. Fig. 2 is a side View.Fig. 3 shows the valve and valve-seat detached from the burner.

Similar letters indicate corresponding parts.

The letterA designates the shell of the burner, formed with a shoulder,0, on its lower part, against which abuts the valveseat B, supportingthe valve 0. Both said valveseat B and valve 0 are made of sheet metalin form ofinverted cups, they being struck up by means of suitable dies,and the valve-seat has a central upwardly-projecting nipple, 5, throughwhose orifice the gas passes to act on the valve.

In carrying out my invention the valve-seat B is flared, as shown inFig. 3, in such a manner that its largest diameter is greater than theinner diameter of that portion of the burner situated below the shouldero. The

seat is then forced into the burner from its lower end up to theshoulder 0, and the seat being thus wedged against the side of theburner it is firmly held in position. Above the shoulder 0 in the shellA of the burner is formed a second shoulder, o, of reduced diameter, andthe space between said two shoulders forms a chamber for the working ofthe valve C, the upper shoulder limiting the movement of the valve. Saidupper shoulder, 0 also forms an abutment for a screen, 6, which may becomposed of wire-gauze or perforated sheet metal, and' below the lowershoulder, o, the shell A is provided with an internal screw-thread forits attachment to a gas-fixture.

It will be perceived that by making both the valve and valve-seat ofsheet metal and arranging the same as above stated, the least labor isinvolved in the production of the burner, and its cost is comparativelyreduced.

Vhat I claim as new, and desire to secure by Letters Patent, is

The combination, substantially as hereinbefore described, of theburner-shell having the shoulders 0 0, the sheet metal valve seat wedgedinto the shell from its lower end to abut against the lower shoulder,and the sheetmetal valve resting 011 the seat, and working in thechamber formed by the upper shoulder.

In testimony whereof Iliave hereunto set my hand and seal in presence oftwo subscribing witnesses.

PETER KELLER. [L s.] \Vitnesses:

CHAS. WAI-ILERS, E. F. KAsTENHUEER.

